Howto Postfix block multiple senders in one "mail from:"
Obviously this is new mass spam wave and I'm concerned a lot of this bad effect.
But with my knowledge can't achieve effective protection :(
Could some one help me?
The usual message coming from my real users, ofcourse outside of my domain for exmlp:
Mail from: <firstname.lastname@example.org>,<email@example.com>,<user_1@ mydomain.com>,<firstname.lastname@example.org>,<email@example.com>,<firstname.lastname@example.org>
Some of them are legitimate but message can't be send from many users, right ?
Could someone advanced with Postfix MTA to advice me what can I do about that!
Thanks in advance
Wonderful tutorial to stop the spam problem:
Anyway you can send me a pm with your mail.log
Thanks for the suggestion but not helpful. Although here is not total noob.
But the problem with multiple "mail from:" spam continues with full speed ahead (over my head) :(
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